Survival Stuff

Replacement brain cells, grown to order

Researchers created specific brain cells from stem cells using differently charged hydrogels.  AI generated by DALL-E – By Paul McClure 2024 Feb 21 – Damaged brain tissue can be re-grown using a new method that lets researchers guide stem cells into exactly the type …

Why does a leap year have 366 days?

Leap Day is coming. Marvin Samuel Tolentino Pineda/iStock, via Getty images – By Bhagya Subrayan, PhD Student in Physics and Astronomy, Purdue University Published: 2024 Feb 19 – Curious Kids is a series for children of all ages. If you have a question …